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Depends on the relative humidity in your house and the type of filament you use. I have usually ~30% humidity in my flat.
Inside it's around 50%, fluctuates a bit depending on season.
That's a bit high. PLA still won't care, but PETG will probably only print perfectly for a quite short time (maybe a day or two).
That said, depending on what exact blend it is, Silk PLA or other PLAs with additives might also have an issue with humidity.
So i live in Germany, and i just put a bag with silica over the active roll and call it a day. But it depends very much on the material you print with, i print PLA and that dosn't pull much moisture out of the air.